There is a known issue in 9.0.5 and that is "Dataplane crash due to duplicate child SIP sessions."
I have seen this below URL for further understanding,
For SIP sessions i can do App override to overcome the issue but My question is.....
What is this Duplicate child sessions & When do it happen in firewall and Why ??
I wish I could answer why duplicate SIP sessions happen, but by nature it can happen, network issues, differences, etc.
It can cause issues with the firewall, but I am not sure if there is anything that can be done about it other than taking the precautions with the App Override for the moment.
This may change, or maybe others have more info on this.
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